jQuery.extend({
    noConflict: function( deep ) {},
    getUrlParam: function(name,defaultName){
        var reg = new RegExp("(^|&)"+ name +"=([^&]*)(&|$)");
        var r = window.location.search.substr(1).match(reg);
        if (r!=null) return decodeURI(r[2]);
        return defaultName;
    }
});